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Bike Cadence & Speed Calculator

This bike cadence and speed calculator will help you to estimate what is your speed when cadence is known or the other way round - determines the cadence if you know your speed. Choose your chainring, cog, wheel size, tire size and speed or cadence, and we will tell you the rest. Whether you are looking for a cadence calculator or bike speed calculator, our flexible tool is a good choice.

What Is Cadence And How Can I Estimate It?

Cadence is the rate at which a cyclist is turning the pedals, in rpm unit (revolutions per minute). There are many cadence sensor on the markets nowadays, but you don't need that gadget for a rough estimate. The only thing that approach requires is a watch, timer or other time measuring device. You can do it in different ways:

count the revolutions of the pedals in 10 seconds and multiply it by 6
calculate the revolutions in 15 seconds, then multiply by 4
or - the most accurate from all presented - count the pedal's revolutions in one minute

Remember that the longer the period is, the better the cadence estimate obtained. Practice makes permanent, and after some time you can make a good guess of your cadence.

How To Use The Bike Cadence And Speed Calculator?

Have you ever wondered what best cyclist cadence is when they are taking part in Tour de France, e.g., chasing the peloton?
Or maybe you want to have a rough idea of how fast you were going on your bike trip?

Let's check it:

Determine your bike parameters, such as wheel and tire size. That may be equal to 27" and
Choose the chainring and cogs values, for example, 50 and 14. The ratio between them is called gear
The table and chart appearing below the calculator show the speed in km/h and mph for eight chosen cadences. The formulas used for speed and cadence calculations looks as follows:

speed = π * (diameter + (2 * tire_size)) * (chainring/cog) * cadence
cadence = speed / (π * (diameter + (2 * tire_size)) * (chainring/cog))

What's next?

Use it as a bike cadence calculator: if you know your speed - for example from a GPS device - you can calculate the cadence.
Use it as a bike speed calculator: if you know your cadence - for example from a cadence sensor or rough estimation - you can find your speed.

If you want to determine average speed based on distance and time, use our speed calculator.

Bike Cadence and Speed Calculator
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